const views = require('koa-views')
const json = require('koa-json')
const onerror = require('koa-onerror')
const bodyparser = require('koa-bodyparser')
const logger = require('koa-logger')

const mongoose = require('./config/mongoose.js');
var db=mongoose();

const index = require('./routes/index');
const users = require('./routes/users')
const Koa = require('koa')
const app = new Koa()

// error handler
onerror(app)

// middlewares
app.use(bodyparser({
  enableTypes:['json', 'form', 'text']
}))
app.use(json())
app.use(logger())
app.use(require('koa-static')(__dirname + '/public'))

app.use(views(__dirname + '/views', {
  extension: 'pug'
}))

// logger
app.use(async (ctx, next) => {
  const start = new Date()
  await next()
  const ms = new Date() - start
  console.log(`${ctx.method} ${ctx.url} - ${ms}ms`)
})
//数据回调处理
const response_formatter = require('./controller/formatter');
app.use(response_formatter);

// routes
app.use(index.routes(), index.allowedMethods())

module.exports = app
